Introduction. The Centers for Disease Control and Prevention (CDC) estimate that between 1 039 000 and 1 185 000 people in the USA are infected with HIV, and approximately 75% are aware of their infection and 25% are not.
February 18, 2010 â Editor's note: Pediatric respiratory emergencies result from a variety of causes, including chronic medical conditions, infections, allergic reactions, and obstruction from foreign bodies.
Croup continues to be one of the most common causes of respiratory distress in young children. 1  Children between the ages of 6 months and 3 years of age are most likely to get croup.  Some children appear to be particularly prone to croup and have a number of infections.